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History, quark model and the SU(3)-symmetry

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Inelastic scattering<br />

The differential cross section is now given by<br />

2<br />

⎛ σ ⎞ ⎛ dσ<br />

⎞<br />

⎜<br />

⎟ = ⎜ ⎟<br />

⎝ dΩdE′<br />

⎠ ⎝ dΩ<br />

⎠<br />

d 2<br />

Mott<br />

⎡ ( 2 ) ( 2 ) θ⎤<br />

⎢<br />

W2<br />

Q , ν + 2W1<br />

Q , ν tan<br />

⎥<br />

⎣<br />

2⎦<br />

with W1, W2 <strong>the</strong> structure functions of <strong>the</strong><br />

hadron <strong>and</strong> ν=Pq/M <strong>the</strong> energy transfer.<br />

Simela Aslanidou 14.12.2006

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